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Finding the Fourth Proportional to 303,099.72, 418,268.46 and 167,133.60

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Solution

The fourth proportional to 303,099.72, 418,268.46 and 167,133.60 is: 230,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,099.72 : 418,268.46 = 167,133.60 : x
  2. Step 2: Convert to fraction form
    303,099.72/418,268.46 = 167,133.60/x
  3. Step 3: Cross multiply
    303,099.72x = 418,268.46 × 167,133.60
  4. Step 4: Simplify right side
    303,099.72x = 69,906,713,486.26
  5. Step 5: Solve for x
    x = 69,906,713,486.26/303,099.72
  6. Step 6: Final answer
    x = 230,639.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.